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WorksheetsInvertebrates
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
What is the sex of this crayfish?
a)
Male
b)
female
2.
What phylum do these belong to?
a)
echinodermata
b)
nematoda
c)
Cnidaria
d)
Arthropoda
3.
which one is the female?
a)
Top one
b)
Bottom one
4.
Name the symmetry.
a)
Bilateral
b)
Pentaradial
c)
Asymmetr
d)
radial
5.
Name the part of the crayfish it uses for feeling?
a)
Antennae
b)
Compound eyes
c)
Auditory organ
d)
Rostrum
6.
Which characteristic makes this an animal?
a)
It is multicellular
b)
It's cells have cell walls
c)
It can move
d)
It is an autotroph
7.
What characteristic is unique to these animals?
a)
A body covering
b)
A segmented body
c)
bilateral symmetry
d)
Jointed legs
8.
What is the function of this part of the crayfish?
a)
Feeding
b)
Breathing
c)
Reproducing
d)
Protectio
9.
Name the special organ mollusks have for making their shell.
a)
Mantle
b)
Gills
c)
Foot
d)
Incurrent siphon
10.
What important improvement did cnidariands invent?
a)
A organ for moving
b)
A mouth
c)
A sturdy body covering
d)
A brain
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